In oil & gas, chemical, power, and offshore projects, MCC (Motor Control Center) shelters play a crucial role in controlling and protecting core electrical systems. The safety of MCC shelters directly affects the stability and reliability of the entire project.

TLS designs MCC shelters with advanced structural integrity, protection, and fire safety systems, customizable according to client safety requirements, ensuring a stable and controlled environment for critical electrical equipment.

1. Core Protection Concept: A Safe Space for Critical Systems

MCC equipment is typically non-explosion-proof and sensitive to environmental conditions such as temperature, humidity, gas composition, and air cleanliness. TLS MCC shelters provide:
  • Enhanced airtight structure – reduces dust and moisture ingress, extending the life of electrical equipment.
  • Positive-pressure system (optional) – maintains internal pressure higher than the environment, preventing combustible gas entry, suitable for Zone 1/Zone 2 areas.
  • Corrosion-resistant structure with thermal insulation – ideal for offshore platforms, chemical plants, or high-humidity environments.

2. Professional Fire Protection Systems

Given the high density of electrical equipment and fire risk, TLS offers customizable automatic fire protection systems:
  • Fire detectors (smoke/heat sensors) – real-time monitoring of fire hazards.
  • Automatic extinguishing devices – rapidly respond in early-stage fires to minimize electrical damage.
  • Integrated alarm systems – trigger audible and visual alerts and can interlock with emergency shutdown systems if required.

​All fire protection solutions can be customized to comply with IEC standards and offshore platform safety regulations, ensuring the required safety level on-site.

3. Safety Monitoring Systems: Reliable and Scalable

TLS MCC shelters can be equipped with multiple safety monitoring functions to maintain a stable internal environment and protect equipment life:
  • Gas detection – monitors combustible or toxic gases, ideal for oil & gas facilities.
  • Temperature and humidity monitoring – prevents overheating or moisture damage.
  • Pressure monitoring (for positive-pressure MCC shelters) – ensures consistent internal pressure.
  • Alarm system – provides on-site audio-visual warnings to reduce risk.

4. Future-Ready Upgrade Capability

The system design reserves data interfaces for potential future upgrades, including:
  • Remote monitoring capability
  • Integration with data logging systems
  • Digital platform interfaces (SCADA or DCS)

Note: This does not imply that the current system includes remote operation functionality, but it enables clients to expand in the future.

5. Modular Design for Various Applications

MCC shelters are modular, allowing customization for multiple use cases:
  • Medium- and low-voltage switchgear
  • Motor Control Centers (MCC/PLC/VFD/VSD)
  • Remote operation and monitoring cabinets
  • Offshore platform production control units
  • Electrical control and protection stations in chemical plants
All structures can be tailored to equipment size, cable entry, cooling requirements, and site layout.

6. Delivery & Service: Reliable Support Throughout the Lifecycle
  • Designed to comply with DNV 2.7-1 / IEC 60079-13 standards (as required)
  • Configurable for Zone 1 / Zone 2 safety levels
  • Factory pre-assembled and tested for turnkey delivery
  • Global transport, installation guidance, and after-sales support

TLS engineering teams provide complete design documentation, interface diagrams, lifting plans, and wiring layouts, ensuring MCC rooms can be rapidly deployed on-site.

TLS Offshore Containers / TLS Energy is a global supplier of standard and customised containerised solutions. 
Wherever you are in the world TLS can help you, please contact us.

Product brochures:
Offshore pressurised mud logging cabin brochure
MCC | Switchgear | VFD | VSD pressurised shelter


Keywords: #MCC room,#Motor Control Center,#Fire protection system,#Safety monitoring,#Positive-pressure protection,#Electrical equipment safety,#Offshore and industrial applications,#Modular design,#Remote monitoring readiness,#Hazardous area compliance

Written by Snowy

In high-risk sectors like Oil & Gas, Chemical Processing, and New Energy, safety is paramount. To shield personnel and sensitive equipment operating in potentially explosive or toxic atmospheres, the TLS Explosion-Proof Pressurized Container System provides a reliable, secure workspace certified for Zone 1 and Zone 2 hazardous areas.
This article explores the cutting-edge technology, robust certifications, and smart features that make TLS the leading choice for hazardous environment operations.
 
1. The Core Technology: Positive Pressure Protection
At the heart of the TLS system is the Positive Pressure Protection Principle—an invisible, yet impenetrable, shield of air.
How the Air Barrier Works:
  • Continuous Clean Air Supply: A dedicated ventilation system constantly introduces clean, filtered air into the container.
  • Creating the Differential: This supply ensures the internal air pressure is always higher than the surrounding hazardous environment.
  • Hazard Exclusion: This pressure differential acts as a physical barrier. Any external air containing flammable or toxic gases simply cannot penetrate the container, completely preventing explosion and poisoning risks.
This mechanism ensures that the interior environment remains safe and breathable at all times, regardless of gas leaks or explosive mixtures outside.
 
2. Built for Global Standards: Certifications and Robustness
Safety demands adherence to the strictest global standards. TLS containers are engineered for maximum durability and compliance.

Key International Certifications:
  • IEC 60079-13: The global standard for Equipment protection by pressurized room "p", verifying that the system effectively uses pressure to isolate internal equipment and personnel from explosive atmospheres.
  • DNV 2.7-1: The rigorous standard for Offshore Containers, guaranteeing the structural integrity, lifting safety, and durability required for deployment in harsh environments like offshore platforms and drilling rigs.
The containers are constructed with robust, airtight materials and fitted with certified explosion-proof components, including air conditioners, lighting, and electrical interfaces, all verified by third-party authorities.
 
3. Safety Meets Intelligence: Smart Monitoring
TLS integrates intelligence with safety through a smart control system designed for continuous, reliable operation with minimal manual intervention.

Key Smart Features:
  • Automatic Pressure Control: The system continuously monitors pressure, automatically adjusting the fan power to maintain optimal pressure levels, even when conditions outside change.
  • Real-Time Alarms: An immediate alarm system activates if internal pressure drops or if gas concentration levels outside exceed safe limits, ensuring operators are alerted instantly to any potential abnormality.
  • Data Display: Real-time data on pressure and airflow is displayed, allowing for easy monitoring and planned maintenance.
This intelligent system ensures stable working conditions and continuous safety assurance around the clock.
 
4. Modular Flexibility: Customizable Applications
TLS understands that different projects have different needs. The system’s modular design allows for incredible flexibility and rapid deployment.

Flexible Deployment Options:
  • Multifunctional Modules: These units can be configured as Control Rooms, Laboratories, Accommodation Units, or workshops.
  • Ease of Installation: The modular structure simplifies logistics, making units easy to transport, stack, and quickly install on any site—from chemical plants to remote drilling locations.
Furthermore, full lifecycle support is offered, including customization of size, fan configuration, and electrical systems to perfectly match your project's unique specifications.
 
Conclusion: Your Reliable Safety Investment
The TLS Explosion-Proof Pressurized Container is more than just a shelter; it is a meticulously engineered, internationally certified safety solution. By maintaining positive internal pressure, it reliably keeps hazardous gases out.

With its robust design, smart monitoring, and modular flexibility, TLS delivers the safe, reliable, and fully customizable workspace required for the world’s most demanding hazardous area operations.

Ready to enhance safety at your hazardous site? Contact TLS today for a customized solution tailored to your Zone 1 or Zone 2 requirements.

TLS Offshore Containers / TLS Energy is a global supplier of standard and customised containerised solutions. 
Wherever you are in the world, TLS can help you. Please contact us.

Product brochures:
Offshore pressurised mud logging cabin brochure
MCC | Switchgear | VFD | VSD pressurised shelter
 

Keywords: #Explosion-Proof Containers, #Positive Pressure System, #Hazardous Area Safety, #Zone 1 Zone 2 Protection, #Pressurized Enclosure, #Offshore Safety Solution, #IEC 60079-13, #Modular Control Room, #DNV 2.7-1 Certified, #Industrial Pressurized Cabin

Written by Oliver

​When designing specialized confined spaces—like offshore containers, modular cabins, or sensitive equipment rooms—engineers face a critical paradox: how to ensure year-round thermal comfort without compromising crucial fire safety. Because of their limited size, these spaces are prone to rapid heat accumulation and pose higher fire risks due to restricted escape routes.

The key to resolving this challenge lies in a systematic approach to material selection and structural design.

1. The Dual Role of Rock Wool Insulation
Effective insulation is the cornerstone of a comfortable environment. However, in fire-sensitive applications, the insulation material must pull double duty.

Rock wool, a mineral fiber material, is the industry standard for this task. It offers two indispensable benefits:
  • Exceptional Thermal Insulation: It effectively limits heat transfer, helping to maintain stable interior temperatures and reduce the need for complex, energy-intensive mechanical cooling systems.
  • High Fire Resistance: Rock wool is inherently non-combustible. Its use significantly slows down the spread of fire and lowers the overall fire load within the confined space, acting as a crucial passive fire protection measure.
By utilizing optimized rock wool panels or sandwich layers, designers can achieve the required thermal performance and satisfy strict fire safety codes simultaneously.

2. Strategic Design for Safety and Comfort
Achieving the perfect balance requires more than just the right material; it demands thoughtful structural layout and planning:

Ensuring Fire Safety Through Layout
Passive fire protection is vital where evacuation is difficult. The design must integrate several fire mitigation strategies:
  • Fire Partitions: Creating effective fire zones within the space using multi-layer wall structures and rock wool insulation.
  • Controlled Routing: Properly separating and routing vital infrastructure, such as cables and pipes, to prevent them from becoming fire conduits.
  • Early Detection: Integrating the material structure with active safeguards, such as smoke sensors and other early detection systems.

Optimizing Airflow for Comfort
To prevent localized overheating (hotspots) and ensure uniform temperatures, a well-designed airflow strategy is essential:
  • Planned Pathways: Integrating inlet and outlet openings and guiding channels ensures continuous air movement.
  • Heat Distribution: This strategic airflow management works in conjunction with the high-performance insulation to provide basic thermal comfort.

3. Long-Term Reliability: Maintenance and Verification
A balanced design must also consider the long-term operational needs of the structure.
  • Maintenance-Friendly Features: Incorporating removable panels and service doors is crucial. This facilitates periodic inspection, repair, and component replacement, ensuring that the insulation and fire safety measures remain effective over time.
  • Verification Through Simulation: Modern design practices include using visualization tools and simulations (e.g., temperature distribution models or fire path simulations). These provide intuitive insights into the design's performance and help engineers verify that the risk mitigation strategies are sound.

Conclusion
For engineers and designers working on confined spaces, the decision to use materials like rock wool, combined with a systematic design strategy, is non-negotiable. It allows them to create environments that are not only comfortable and functional but also meet the highest safety standards, ensuring peace of mind where escape routes are limited.

TLS Offshore Containers / TLS Energy is a global supplier of standard and customised containerised solutions. 
Wherever you are in the world, TLS can help you. Please contact us.
 

Keywords: #Rock Wool Fire Rated Insulation, #Passive Fire Protection in Modular Construction, #Fire Safety for Confined Spaces, #Thermal Insulation and Fire Resistance, #Offshore Container Fire Safety, #Non-Combustible Insulation for Cabins, #Modular Cabin Thermal Comfort Solutions, #Mineral Wool Sandwich Panels

Written by Oliver